OpenTechnical

OT-2026-000083724

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000083724) never changes.

Identity and time

Publication numberOT-2026-000083724 · never reused
Internal UUID01a0ae98-0417-7cc9-b2ce-2e9b6c91ebf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083724
StatusPUBLIC

Content hashes

Canonical text8fb42cf19220ad158ab918080f563b0e840996377620394e7725bac67d4c133c
Markdownde8595aa4732129d41bfd7b50cfb11644ccf4f1cb2fec621798ce1890932ab85
PDF
Publication page9fc1c40512cc7cc4bd7c42df2cd84141cdef0f9184afa314d3ecf1fba0a9758a
Manifest11274f3389d263655a2f942fcfd8d5e4a822fa9122bca2f9d8003dbc344e9e77

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureEJ5X3Bp2HrFQmQphVlMIXAnJ6xvOMdJ1veeT2Z7iOYHz9kXfNYQZmfu3AC5Tpaw9BGLFb7orXa0lImb5Q8tQAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:21.430042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083724
observed 9fc1c40512cc7cc4bd7c42df2cd84141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.414292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083724/manifest.json
observed 11274f3389d263655a2f942fcfd8d5e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.398052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083724/publication.md
observed de8595aa4732129d41bfd7b50cfb1164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.380496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083724/publication.txt
observed 8fb42cf19220ad158ab918080f563b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.